I'm going to assume you mean 'nooks and crannies' and 'smell the roses' type of things that make up the RPG part.
Current WoW is essentially void of RPG elements in a traditional sense. It was never an RPG giant (eg LORTO); however, it did has some elements there during its first years of life. As we know, most to all of these RPG elements have been removed in favor of 'high action'.